Question: What position did Sergey Bubka begin on May 14th, 2002?
Paraphrase: What position did Sergey Bubka hold since May 14th, 2002?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q184556 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2002')) }